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How to structure an essay for History SL/HL paper 2?

Before we even start writing, look at the question. See if it helps you structure the essay in any way. Does it say what areas should be discussed? For example, "Compare and contrast two totalitarian...

UK
Answered by Urszula K. History tutor
19899 Views

How do I know when to use preterit or imperfect tense?

This is something that many students struggle with but luckily it is simpler than it seems and once you know it, you know it! I like to use an example that I can refer back to if I get confused: Estaba le...

TM
Answered by Tabitha M. Spanish tutor
3432 Views

At what angle does total internal reflection occur?

This question is to do with the refraction that occurs when a light ray hits a boundary between two media of different refractive index. We know that the relationship between the angle of incidence and an...

AS
Answered by Alex S. Physics tutor
4813 Views

2x + 7 = 13 - 2x. What is the value of x?

4x +7 = 13 4x = 6 x=6/4 x=3/2

JL
Answered by Joshua L. Maths tutor
11588 Views

Tom and Lesley are married and have a child, Sally, who has Cystic Fibrosis. Lesley has just found out she is pregnant, so what is the probability that the baby will have the condition?

Cystic Fibrosis is a recessive disease, therefore for Sally to have the condition she must have a homozygous recessive genotype, with one recessive allele of the gene from the mother and one from the fath...

LD
Answered by Lillie D. Biology tutor
2695 Views

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